To-Do lists keep tasks focused, on schedule, and ideally on the path to completion. However, for many, the focus and dedication required to maintain an effective To-Do list can be a task unto itself.
One look at many of the To-Do list apps in the iOS App store, and one can see that many developers are keenly aware of this. So, each tries to set their To-Do list App apart from all the rest by either beautifying it to make chores pleasant to look at, or adding gimmicky gestures to make adding tasks less tedious.